F. Alkhateeb, J. Baget, and J. Euzenat, Extending SPARQL with regular expression patterns (for querying RDF), Web Semantics: Science, Services and Agents on the World Wide Web, vol.7, issue.2, pp.57-73, 2009.
DOI : 10.1016/j.websem.2009.02.002

URL : https://hal.archives-ouvertes.fr/lirmm-00410132

S. Ceri, G. Gottlob, and L. Tanca, What you always wanted to know about Datalog (and never dared to ask), IEEE Transactions on Knowledge and Data Engineering, vol.1, issue.1, pp.146-166, 1989.
DOI : 10.1109/69.43410

URL : http://people.cis.ksu.edu/~xou/formalmethodsnetworking/datalog.pdf

A. Gubichev, S. J. Bedathur, and S. Seufert, Sparqling kleene, First International Workshop on Graph Data Management Experiences and Systems, GRADES '13, 2013.
DOI : 10.1145/2484425.2484443

K. Losemann and W. Martens, The complexity of regular expressions and property paths in SPARQL, ACM Transactions on Database Systems, vol.38, issue.4, pp.1-24, 2013.
DOI : 10.1145/2494529

T. Neumann and G. Moerkotte, Characteristic sets: Accurate cardinality estimation for RDF queries with multiple joins, 2011 IEEE 27th International Conference on Data Engineering, pp.984-994, 2011.
DOI : 10.1109/ICDE.2011.5767868

C. Ordonez, Optimization of Linear Recursive Queries in SQL, IEEE Transactions on Knowledge and Data Engineering, vol.22, issue.2, pp.264-277, 2010.
DOI : 10.1109/TKDE.2009.83

J. Pérez, M. Arenas, and C. Gutierrez, Semantics and Complexity of SPARQL, p.605124, 2006.

S. Schenk, A SPARQL Semantics Based on Datalog, pp.160-174, 2007.
DOI : 10.1007/978-3-540-74565-5_14

M. Schmidt, M. Meier, and G. Lausen, Foundations of SPARQL query optimization, Proceedings of the 13th International Conference on Database Theory, ICDT '10, pp.4-33, 2010.
DOI : 10.1145/1804669.1804675

N. Yakovets, P. Godfrey, and J. Gryz, Query Planning for Evaluating SPARQL Property Paths, Proceedings of the 2016 International Conference on Management of Data, SIGMOD '16, 2016.
DOI : 10.1007/978-3-642-15918-3_25